表语是用来说明主语的性质,身份,特征和状态。表语须和连系动词一起构成句子的复合谓语。表语一般放在系动词之后。表语可以由名词,形容词或起名词和形容词作用的词和短语担任。
例如
1. These desks are yellow.这些桌子是黄色的。
2. I am all right.我没事。
3. We are happy now.我们现在很幸福。
4. It's over.时间到了。
5. She is ten.她十岁了。
6. My work is teaching English,我的工作是教英语。
7. The dictionary is in the bag.词典在书包里边。
8. My question is how you knew him.我的问题是你如何认识他的。
扩展资料
表语从句的类型
表语从句位于主句系动词之后，可分为两类：be+that型从句和be+疑问词型从句。
1.be+that型从句
eg.The fact is that we have no idea to solve this problem.事实就是我们没办法解决这个问题。
The reality is that the party must be cancelled because of the storm.现实就是因为暴风雨这个聚会必须得取消了。
2.be+疑问词型从句
eg.The question is whether they will help us.
问题是他们会不会帮我们。
The problem is why she didn't go back home directly.麻烦就麻烦在为什么她没直接回家。
3.表语从句使用陈述语序。
eg.The question is when he can arrive at the hotel.问题是他什么时候能到酒店。
4.主句主语是reason时
表语从句要用that引导，不可用because。但reasons作主语时，表语要用名词短语并列。
eg.The most common reasons for......are名词短语1，名词短语2 and名词短语3。
表语的功能是表述主语的特征，身份，状态。它也可以说是 一种补足语。它位于连系动词之后，与之构成所谓
的系表结构。
连系动词：be,become,make, tune等。
可以做表语的有名词，代词，数词，形容词，副词，不定式，动名词，分词，介词短语，从句等。
1 It’s a pity that failed the game.
2 I became a teacher when I was 23.
3 The boy will make a good doctor.
4 He turned traitor.
5 It’s me.
6 We are seven.
7 Are you busy?
8 Are you there?
9 All I could do was to wait.
10 Complimenting is lying.
11 She is in good health.
12 That is what he means.
13 I was so much surprised at it本回答被网友采纳